Finger exerciser



FIG. 1 is a front elevational view of a finger exerciser showing my new design, the rear elevational view being a mirror image;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom view thereof;

FIG. 4 is a left end elevational view thereof; and,

FIG. 5 is a right end elevational view thereof. 

The ornamental design for a finger exerciser, as shown and described. 